ps2.pnx

Mars-XC2S50-S-Core-V2.0开发板核心板的说明和设计文档

<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE ibis [
<!ELEMENT ibis (part, pin+)>
<!ELEMENT part EMPTY>
<!ELEMENT pin EMPTY>
<!ATTLIST part
  arch   CDATA #REQUIRED
  device CDATA #REQUIRED
  spg    CDATA #REQUIRED
  pkg    CDATA #REQUIRED>
<!ATTLIST pin
  nm     CDATA #REQUIRED
  no     CDATA #REQUIRED
  iostd  (TTL|LVTTL|LVCMOS2|NA) "NA"
  sr     (SLOW|FAST|slow|fast) "SLOW"
  dir    (BIDIR|bidir|INPUT|input|OUTPUT|output) "BIDIR">
]>
<ibis><part pkg="TQ144" spg="-5" arch="xc9500xl" device="XC95144XL"/><pin nm="rst" no="71" dir="input"/><pin nm="clk" no="128" dir="input"/><pin nm="led&lt;0&gt;" no="51" sr="fast" dir="output"/><pin nm="led&lt;1&gt;" no="49" sr="fast" dir="output"/><pin nm="led&lt;2&gt;" no="45" sr="fast" dir="output"/><pin nm="led&lt;3&gt;" no="43" sr="fast" dir="output"/><pin nm="led&lt;4&gt;" no="40" sr="fast" dir="output"/><pin nm="led&lt;5&gt;" no="33" sr="fast" dir="output"/><pin nm="led&lt;6&gt;" no="50" sr="fast" dir="output"/><pin nm="led&lt;7&gt;" no="48" sr="fast" dir="output"/><pin nm="ps2_data" no="88" sr="fast" dir="bidir"/><pin nm="ps2_clk" no="87" sr="fast" dir="bidir"/></ibis>